Track / Stage 1 / 77 of 320 #77 of 2604

Problem 77

Geometry Difficulty 1.0 Find the answer UKMT Junior Kangaroo · United Kingdom · 2017

A square piece of card has perimeter $20$ cm. Charlie cuts the card into two rectangles. The perimeter of one of the rectangles is $16$ cm. What is the perimeter of the other rectangle? (A) $4$ cm (B) $8$ cm (C) $10$ cm (D) $12$ cm (E) $14$ cm

The source for this one didn't record the answer, so there is nothing to check what you type against. Work it on paper and mark yourself against the solution below.

We don't reproduce this publisher's solutions. Their own solution is here — work the problem first.

Source: UK Mathematics Trust, licensed © UK Mathematics Trust; past papers published free at ukmt.org.uk. Statement reproduced verbatim; metadata (topic, difficulty, ordering) added by this project. Solutions are the publisher's, linked not copied.